260 search results - page 40 / 52 » Cognitive Methods for Visualizing Space, Time, and Agents |
BILDMED
2007
13 years 8 months ago
2007
Abstract. The problem of repositioning mobile C-arms to defined target locations during surgical procedures currently requires not only time, but also skill and additional radiati...
ATAL
2005
Springer
14 years 28 days ago
2005
Springer
In this paper, we present an online method for POMDPs, called RTBSS (Real-Time Belief Space Search), which is based on a look-ahead search to find the best action to execute at e...
ALENEX
2003
13 years 8 months ago
2003
We present a data structure, called a ray interpolant tree, or RI-tree, which stores a discrete set of directed lines in 3-space, each represented as a point in 4-space. Each dire...
IJRR
2010
13 years 2 months ago
2010
The ability to represent knowledge about space and its position therein is crucial for a mobile robot. To this end, topological and semantic descriptions are gaining popularity fo...
AAAI
2006
13 years 8 months ago
2006
In multiple criteria Markov Decision Processes (MDP) where multiple costs are incurred at every decision point, current methods solve them by minimising the expected primary cost ...